Finding the Fourth Proportional to 101,060.37, 139,463.51 and 55,737.09

Step by Step Solution

1. Step 1: Write the proportion equation
   101,060.37 : 139,463.51 = 55,737.09 : x
2. Step 2: Convert to fraction form
   101,060.37/139,463.51 = 55,737.09/x
3. Step 3: Cross multiply
   101,060.37x = 139,463.51 × 55,737.09
4. Step 4: Simplify right side
   101,060.37x = 7,773,289,929.90
5. Step 5: Solve for x
   x = 7,773,289,929.90/101,060.37
6. Step 6: Final answer
   x = 76,917.29